<template>
  <div class="login">
    <section class="form_container">
      <div class="manage_tip">
        <span class="title">米修在线后台管理系统</span>
        <el-form :model="loginUser" :rules="rules" ref="loginForm" label-width="100px" class="loginForm">

          <el-form-item label="用户名" prop="name">
            <el-input v-model="loginUser.name" placeholder="请输入用户名"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input type="password" v-model="loginUser.password" placeholder="请输入密码"></el-input>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" class="submit_btn" @click="submitForm('loginForm')">登录</el-button>
          </el-form-item>
          <div class="tiparea">
            <p>还没有账号？现在<router-link to="/register">注册</router-link></p>
          </div>
        </el-form>
      </div>
    </section>
  </div>
</template>

<script>
// import { type } from 'os';
import jwt_decode from "jwt-decode";

export default {
  name: 'login',
  components: {},
  data() {
    return {
      loginUser: {
        name: '',
        password: '',
      },
      rules: {
        name: [
          {
            required: true,
            message: '用户名不正确',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '密码不能为空',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 30,
            message: '长度在6到30个字符之间',
            trigger: 'blur'
          }
        ],
      }
    }
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
        if (valid) {
          this.$axios.post('/api/admin/login', this.loginUser)
            .then(res => {
              const { token } = res.data;
              //toen存储到localstorage
              localStorage.setItem('eleToken', token)
              //解析token
              const decoded = jwt_decode(token)
              // console.log(decoded)
              this.$store.dispatch('setAuthenticated', !this.isEmpty(decoded));
              this.$store.dispatch('setUser', decoded)
              this.$router.push('/index');
              // this.$router.push('/index')
            })
            .catch((err) => {
              this.$message.error('登陆失败')
            })
          //1、this.$router.push('/index');
        }
      });
    },
    isEmpty(value) {
      return (
        value === undefined ||
        value === null ||
        (typeof value === "object" && Object.keys(value).length === 0) ||
        (typeof value === "string" && Object.trim().length === 0)
      )
    }
  }
};
</script>

<style scoped>
.title {
  position: absolute;
  top: -29px;
  left: 130px;
  /* display: block; */
  /* margin-left: 60px; */
  font-family: 'Microsoft YaHei';
  font-weight: bold;
  font-size: 26px;
  color: #fff;
}

.login {
  position: relative;
  width: 100%;
  height: 100%;
  background: url(../assets/bg.webp) no-repeat center center;
  background-size: 100% 100%;
}

/* .form_container .form_container .title {
  font-family: 'Microsoft YaHei';
  font-weight: bold;
  font-size: 26px;
  color: #fff;
} */

.form_container {
  width: 370px;
  height: 210px;
  position: absolute;
  top: 30%;
  left: 34%;
  padding: 25px;
  border-radius: 5px;
  text-align: center;
}

.submit_btn {
  width: 100%;
}

.tiparea {
  text-align: right;
  font-size: 12px;
  color: #333;
}

.tiparea p a {
  color: #409eff;
}
</style>